db.goods.insertMany([{
  productId: '20200303',
  productName: '小米笔记本',
  salePrice: '3549',
  productImg: 'note.jpg'
}, {
  productId: '20200304',
  productName: 'Ear1600',
  salePrice: '1600',
  productImg: '14.jpg'
}, {
  productId: '20200305',
  productName: 'Ear1200',
  salePrice: '1200',
  productImg: '15.jpg'
}, {
  productId: '20200306',
  productName: 'Ear700',
  salePrice: '700',
  productImg: '16.jpg'
}, {
  productId: '20200307',
  productName: '小钢炮蓝牙音箱',
  salePrice: '129',
  productImg: '1.jpg'
}, {
  productId: '20200308',
  productName: '智能摄像机',
  salePrice: '389',
  productImg: 'photo.jpg'
}, {
  productId: '20200309',
  productName: 'Ear2000',
  salePrice: '2000',
  productImg: '3.jpg'
}, {
  productId: '20200310',
  productName: 'Ear500',
  salePrice: '500',
  productImg: '4.jpg'
}, {
  productId: '20200311',
  productName: '移动电源',
  salePrice: '90',
  productImg: '5.jpg'
}, {
  productId: '20200312',
  productName: '小米插线板',
  salePrice: '70',
  productImg: '6.jpg'
}, {
  productId: '20200313',
  productName: '运动耳机',
  salePrice: '80',
  productImg: '7.jpg'
}, {
  productId: '20200314',
  productName: '小爱同学',
  salePrice: '200',
  productImg: '8.jpg'
}, {
  productId: '20200315',
  productName: '电饭煲',
  salePrice: '240',
  productImg: '9.jpg'
}, {
  productId: '20200316',
  productName: '电视',
  salePrice: '1890',
  productImg: '10.jpg'
}, {
  productId: '20200317',
  productName: 'mi6',
  salePrice: '2890',
  productImg: 'mi6.jpg'
}, {
  productId: '20200318',
  productName: '自拍杆',
  salePrice: '220',
  productImg: 'zipai.jpg'
}])